Gemma 3n E4B Instructed vs GPT-5 Codex
Google vs OpenAI — benchmarks, pricing, and capabilities side by side.
- •GPT-5 Codex has the higher intelligence index (87.1 vs 24.8)
- •GPT-5 Codex is cheaper ($1.25 vs $20.00 per 1M input)
- •GPT-5 Codex is faster
- •GPT-5 Codex has a larger context window (400K)
| Gemma 3n E4B Instructed | GPT-5 Codex | |
|---|---|---|
| Intelligence index | 24.8 | 87.1 |
| Developer | OpenAI | |
| Type | Multimodal | Multimodal |
| Access | API only | API only |
| Context window | 32,000 tokens | 400,000 tokens |
| Input price | $20.00 / 1M | $1.25 / 1M |
| Output price | $40.00 / 1M | $10.00 / 1M |
| Speed | 42 tok/s | 180 tok/s |
| Released | June 26, 2025 | September 23, 2025 |
| Parameters | 8000000000 | — |
| Input modalities | — | Text, Image |
| Output modalities | — | Text |
Shared benchmarks
Gemma 3n E4B Instructed
GPT-5 Codex
AIME 2025
11.6
98.7
GPQA Diamond
23.7
83.7
LiveCodeBench
13.2
84
MMLU-Pro
50.6
86.5